To setup connection from eVOX PBX and eVOX FXO (4 or 8 port)

At eVOX PBX
1)Create SIP trunk
Outbound setting
type=peer
qualify=yes
port=5060
insecure=port,invite
host=
dtmfmode=inband
context=from-pstn

Inbound Setting
type=peer
qualify=yes
port=5060
insecure=port,invite
host=192.168.0.38
dtmfmode=inband
context=from-pstn

Registration : Don’t Need

At eVOX FXO Gateway
SIP Server (Fill up primary SIP Server with eVOX PBX IP)

Port (create port)
— Do not need to fill up login Extension
— Fill up OffHook , the extension in eVOX to pass the extension to

Call & Routing
— IP Trunk ( create a trunk to eVOX PBX IP)
— Tel -> IP/Tel Routing (add )
— Call to (IP trunk that created previously , do not point to SIP Server)

Advanced
— FXS / FXO
— Enabled — Send Original CID when Call from PSTN